Sigeferth Svertingsson

Sigeferth Svertingsson (844-7 February 868) was a resident of Ribe, Denmark during the 9th century who led the failed Ribe revolt of 868 against Horik Gottfredsson. Motivated to rebel by an exorbitant tax rate, he was killed in battle with Skule Sihtricsson and his forces when they crushed the uprising.